A note on stability of the Popoviciu functional equation on restricted domain

Janusz Brzdęk
2010 Demonstratio Mathematica  
AbstractWe prove the Hyers–Ulam stability, on restricted domain, of a functional equation of Jensen type, introduced by T. Popoviciu (1965).
doi:10.1515/dema-2013-0252 fatcat:va2w7visnbhb5geet3flma7zli